Lifting device



FIG. 1 is a right perspective view of a lifting device showing my new design;

FIG. 2 is a left perspective view thereof;

FIG. 3 is a right side view thereof, the left side being a mirror image;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top perspective view thereof; and,

FIG. 7 is a bottom perspective view thereof. 

CLAIM The ornamental design for a lifting device, as shown and described. 